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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 07:53

General

  • Target

    18f985b29775b3a46a81a0a7e4f7be80_NEIKI.exe

  • Size

    72KB

  • MD5

    18f985b29775b3a46a81a0a7e4f7be80

  • SHA1

    042234e569bdd2a0b3dbce2022ee999cf8150902

  • SHA256

    6fe9f576b25ae243da838681572233ab76af20f5638e40bab041286b7e4378de

  • SHA512

    265552e2c8eab5de14c407e147c0e8c75502c1eeab5eea11a088ffc30198bc05f39c68293c677a9703b28bbfd71a64d1d44fb0a9ecf6011dfa2dba22bc59d2a7

  • SSDEEP

    1536:xPaRJeLZTu684iEU7tNpJzLB0QHql/z4pvVjygFDTqoFCjZS:RaRJeRu68GenzV0LpMpvVjy2DTq7FS

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Sets file execution options in registry 2 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3456
        • C:\Users\Admin\AppData\Local\Temp\18f985b29775b3a46a81a0a7e4f7be80_NEIKI.exe
          "C:\Users\Admin\AppData\Local\Temp\18f985b29775b3a46a81a0a7e4f7be80_NEIKI.exe"
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:3856
          • C:\Windows\SysWOW64\oukpoted-ouxac.exe
            "C:\Windows\SysWOW64\oukpoted-ouxac.exe"
            3⤵
            • Windows security bypass
            • Modifies Installed Components in the registry
            • Sets file execution options in registry
            • Executes dropped EXE
            • Windows security modification
            • Modifies WinLogon
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4808
            • C:\Windows\SysWOW64\oukpoted-ouxac.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:4472

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\acvetad.exe

        Filesize

        73KB

        MD5

        90cdf88e025569cc1c861ff71d1f2f7f

        SHA1

        f6ae3cb9c061c251e9901277204135a5441c48d9

        SHA256

        6a17d19c16302286b571c815ac08a38c77fd2c2b6366936ea0fbd3ab14b649ad

        SHA512

        5e319999b64425ca8721a0a1ce6764dede0827c37f068b22f3942c95b0e5718264ead2d8eed026007747ca830b01e644a9f44b43dbb04d4d9eed6af351241033

      • C:\Windows\SysWOW64\anmeavum.exe

        Filesize

        72KB

        MD5

        69efd011647cc8f97292f7e517e36fba

        SHA1

        f82b6c7c92973c0e42a0caac1311838dff69b128

        SHA256

        8a4f5af04a54d236e546788fa7f8cd3227b2af3e81f3080a2552da0d39d26ec1

        SHA512

        fee1e07cbac408a7216d35dd591f948a935b67670e107d179cec44bc2b7698f0322837faaa3b5a3d13296eaec72962c02497741fcd8c22f098dd5fc31b671b76

      • C:\Windows\SysWOW64\eatroaceax.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\oukpoted-ouxac.exe

        Filesize

        70KB

        MD5

        3af3644776efce7c981d3616519f7d3c

        SHA1

        3eeac8015867660a451f8b5ddf3619148dab0192

        SHA256

        cad135c1d5bd39b051c1170fdafae2031ce602b2b6502d55bcaeb8708bc725ce

        SHA512

        2d5480e66b09f1d339ef0c68dd91b3199ac4dfeafbdb8e991c981594f366bba52203fbab55aeb06b2bfff3b3d5f4cd35d63dbedc3a027cfe415df2852611e341

      • memory/3856-3-0x0000000000400000-0x0000000000403000-memory.dmp

        Filesize

        12KB

      • memory/4472-48-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4808-47-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB